from the GNU version of the Collaborative International Dictionary of English
- n. A thin, flat piece of board in the form of a quadrant of a circle attached to the log line; -- called also log-ship. See 2d log, n., 2.
from The Century Dictionary and Cyclopedia
- n. The board, in the form of a quadrant, attached to a log-line. See log. Also, erroneously, log-ship.
Sorry, no etymologies found.